combustion Flashcards
1
Q
what does combustion mean?
A
burning in oxygen
2
Q
what is combustion?
A
a substance that reacts with oxygen to release energy
3
Q
how many things are needed for combustion?
A
3
4
Q
what are the 3 things that are needed for combustion?
A
fuel, heat and oxygen
5
Q
what are hydrocarbons and what do they contain?
A
fuel and contains hydrogen and carbon
6
Q
what happens to hydrocarbons when their is enough heat and oxygen?
A
combust (burn) to give water and carbon dioxide
7
Q
an example of combustion?
A
candle
8
Q
how does a candle combust?
A
candle wax is a mixture of hydrocarbons, so when it burns, the wax reacts with oxygen in the air to form water and carbon dioxide